Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Immigration to Pakistan:

"

According to some sources, thousands of radicals of Arab origin who entered the country illegally to fight in Afghanistan after the Soviet invasion in 1979, and later against the US-led invasion in October 2001, still remain in the country.[citation needed]